* {
  padding: 0;
  margin: 0;
}
@media screen and (max-width: 750px) {
  html {
    font-size: 75px !important;
  }
}
@media screen and (min-width: 320px) {
  html {
    font-size: 32px !important;
  }
}
a {
  text-decoration: none;
  color: black;
}
body {
  min-width: 320px;
  max-width: 750px;
  width: 10rem;
  margin: 0 auto;
  font-family: Arial, Helvetica;
  background-color: #F2F2F2;
}
.footer-box {
  min-width: 320px;
  max-width: 750px;
  position: fixed;
  top: 0;
  left: 50%;
  transform: translate(-50%);
  width: 10rem;
  height: 5.066667rem;
  background: url(../img/微信图片_20210826152915.jpg) 0 0 no-repeat;
  background-size: 100% 100%;
  display: flex;
  position: relative;
}
.footer-box > .return {
  margin-top: 0.266667rem;
  margin-left: 0.266667rem;
  width: 0.533333rem;
  height: 0.533333rem;
  display: flex;
}
.footer-box > .return::before {
  content: "";
  width: 0.133333rem;
  height: 0.133333rem;
  margin: 0.133333rem;
  border-top: solid 0.04rem white;
  border-left: solid 0.04rem white;
  transform: rotate(-45deg);
}
.footer-box > .footer-content {
  flex: 1;
  width: 9.066667rem;
  height: 2.533333rem;
  background-color: white;
  border-radius: 0.4rem;
  display: flex;
  margin: 0 0.266667rem;
  margin-top: 2.133333rem;
}
.footer-box > .footer-content > .footer-logo {
  margin-top: 0.56rem;
  margin-left: 0.48rem;
  font-size: 0.293333rem;
  display: block;
  width: 1.013333rem;
  height: 1.013333rem;
  border: solid 0.026667rem #ccc;
  text-align: center;
  line-height: 1.013333rem;
}
.footer-box > .footer-content > .js {
  flex: 1;
  margin-top: 0.666667rem;
  margin-left: 0.186667rem;
}
.footer-box > .footer-content > .js > div:first-child {
  font-size: 0.293333rem;
  font-weight: bold;
}
.footer-box > .footer-content > .js > div:last-child {
  margin-top: 0.133333rem;
  color: #ccc;
  font-size: 0.186667rem;
}
.footer-box > .footer-content > .footer-right > a:first-child {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.266667rem;
  margin-top: 0.266667rem;
  margin-left: 0.533333rem;
}
.footer-box > .footer-content > .footer-right > a:last-child {
  display: block;
  width: 1.2rem;
  height: 0.533333rem;
  font-size: 0.16rem;
  background-color: yellow;
  border-radius: 0.266667rem;
  text-align: center;
  line-height: 0.533333rem;
  margin-right: 0.533333rem;
  margin-top: 1.066667rem;
}
.footer-box > .gd {
  margin-top: 0.266667rem;
  margin-right: 0.266667rem;
  color: white;
  display: flex;
  flex-direction: column;
}
.center-nav {
  min-width: 320px;
  max-width: 750px;
  display: flex;
  width: 10rem;
  height: 1.5rem;
  background-color: white;
}
.center-nav > div {
  font-weight: bold;
  width: 2rem;
  height: 1rem;
  background-color: yellow;
  flex: 1;
  text-align: center;
  line-height: 1rem;
  margin: 0.266667rem 0.133333rem;
  border-radius: 0.266667rem;
}
.center-nav > div:hover {
  background-color: blue;
}
.center-nav > div:hover > a {
  color: white;
}
.section-box {
  min-width: 320px;
  max-width: 750px;
  width: 10rem;
  height: 20rem;
  background-color: white;
}
.section-box > .h1 {
  margin-left: 0.4rem;
  font-size: 0.6rem;
}
.section-box > .h2 {
  margin-left: 0.133333rem;
  font-size: 0.293333rem;
  color: #ccc;
}
.section-box .section-content {
  height: 26.666667rem;
}
.section-box .section-content > .content-row-three {
  display: flex;
}
.section-box .section-content > .content-row-three > div {
  padding-top: 0.266667rem;
  flex: 1;
  border-radius: 0.16rem;
  background-color: white;
  margin: 0 0.133333rem;
  display: flex;
  flex-direction: column;
}
.section-box .section-content > .content-row-three > div > span {
  font-size: 0.4rem;
  display: flex;
}
.section-box .section-content > .content-row-three > div > span:first-child > img {
  width: 2.4rem;
  margin-left: 0.266667rem;
}
.section-box .section-content > .content-row-three > div > span:last-child > span {
  margin-left: 0.133333rem;
  color: #ff009d;
}
.section-box .section-content > .content-row-three > div > span:last-child > a {
  margin-left: 1.2rem;
  display: block;
  width: 0.533333rem;
  height: 0.533333rem;
  background: url(../img/产品购物车.png) no-repeat;
  background-size: 100% auto;
}
.section-box .section-content > .content-row-two {
  margin-top: 0.266667rem;
  display: flex;
}
.section-box .section-content > .content-row-two > div {
  padding-top: 0.266667rem;
  flex: 1;
  border-radius: 0.16rem;
  background-color: white;
  margin: 0 0.266667rem;
  display: flex;
  flex-direction: column;
}
.section-box .section-content > .content-row-two > div > span {
  font-size: 0.4rem;
  display: flex;
}
.section-box .section-content > .content-row-two > div > span:first-child {
  height: 2.666667rem;
}
.section-box .section-content > .content-row-two > div > span:first-child > img {
  width: 2.4rem;
  margin-left: 0.8rem;
}
.section-box .section-content > .content-row-two > div > span:last-child > span {
  margin-left: 0.133333rem;
  color: #ff009d;
}
.section-box .section-content > .content-row-two > div > span:last-child > a {
  margin-left: 1.2rem;
  display: block;
  width: 0.533333rem;
  height: 0.533333rem;
  background: url(../img/产品购物车.png) no-repeat;
  background-size: 100% auto;
}
